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Year
2021
Year
2023
Parent Company
Yamaha
Parent Company
Yamaha
Generic Type (Primary)
Youth
Generic Type (Primary)
Off-Road
Make
Yamaha
Make
Yamaha
Display Name
TT-R 50E
Display Name
YZ 125X
Manufacturer Country
Japan
Manufacturer Country
Japan
Introduction Year
2006
Introduction Year
2020
Photo Gallery
Standard
Photo Gallery
Standard
Representative Image
No
Representative Image
No
Price
Standard
Price
Standard
MSRP
$1,699
MSRP
$7,099
Destination Charge
215
Destination Charge
450
Warranty (Months/Condition)
3 / Limited
Warranty (Months/Condition)
1 / Limited
Engine
Standard
Engine
Standard
Engine Type
Single-Cylinder
Engine Type
Single-Cylinder
Cylinders
1
Cylinders
1
Engine Stroke
4-Stroke
Engine Stroke
2-Stroke
Cooling
Air
Cooling
Liquid
Valves
2
Valves
-
Valves Per Cylinder
2
Valves Per Cylinder
-
Valve Configuration
SOHC
Valve Configuration
Reed Valve
Compression Ratio
9.5:1
Compression Ratio
7.8
Starter
Electric
Starter
Kick
Fuel Type
Gas
Fuel Type
Gas / Oil Premix
Fuel Requirements
Regular
Fuel Requirements
Regular
Carburetion
Standard
Carburetion
Standard
Carburetion Brand
Mikuni
Carburetion Brand
Keihin
Fuel Injector
No
Fuel Injector
No
Carburetor
Yes
Carburetor
Yes
Number Of Carburetors
1
Number Of Carburetors
1
Carburetion Type
Carburetor
Carburetion Type
Carburetor
Parental Controls
Standard
Parental Controls
-
Speed Governor
Yes
Speed Governor
-
Bore (mm/in)
36 / 1.42
Bore (mm/in)
54 / 2.13
Stroke (in/mm)
1.91 / 48.6
Stroke (in/mm)
2.15 / 54.5
Displacement (cc/ci)
49 / 3
Displacement (cc/ci)
125 / 7.6
Carburetor Size (mm)
11
Carburetor Size (mm)
38
Compression Ratio (Secondary)
-
Compression Ratio (Secondary)
10.2:1
Transmission
Standard
Transmission
Standard
Transmission Type
Manual / Automatic Clutch
Transmission Type
Manual
Number Of Speeds
3
Number Of Speeds
6
Reverse
No
Reverse
No
Adjustable Throttle
Standard
Adjustable Throttle
-
Primary Drive (Rear Wheel)
Chain
Primary Drive (Rear Wheel)
Chain
Overdrive
-
Overdrive
No
Dimensions
Standard
Dimensions
Standard
Weight
Standard
Weight
Standard
Capacities
Standard
Capacities
Standard
Performance
Standard
Performance
Standard
Length (in/mm)
51.4 / 1305.6
Length (in/mm)
84.8 / 2153.9
Width (in/mm)
23.4 / 594.4
Width (in/mm)
32.5 / 825.5
Height (in/mm)
31.3 / 795
Height (in/mm)
50.8 / 1290.3
Wheelbase (in/mm)
36.4 / 924.6
Wheelbase (in/mm)
57.3 / 1455.4
Ground Clearance (in/mm)
5.3 / 134.6
Ground Clearance (in/mm)
14 / 355.6
Wet Weight (lbs/kg)
126 / 57.2
Wet Weight (lbs/kg)
212 / 96.2
Fuel Capacity (gal/l)
0.8 / 3
Fuel Capacity (gal/l)
1.8 / 6.8
Engine Displacement to Weight (cc)
0.39
Engine Displacement to Weight (cc)
0.6
Construction
Standard
Construction
Standard
Frame
Steel
Frame
Aluminum
Body Material
Plastic
Body Material
Plastic
Foot Pegs
Standard
Foot Pegs
Standard
Foot Peg Location
Driver
Foot Peg Location
Driver
Adjustable
No
Adjustable
No
Hand Grips
Standard
Hand Grips
Standard
Handlebars
Standard
Handlebars
Standard
Handlebar Pads
Standard
Handlebar Pads
Standard
Exterior Guards
Standard
Exterior Guards
Standard
Belt Guard
No
Belt Guard
No
Brush Guard
No
Brush Guard
No
Chain Guard
Yes
Chain Guard
Yes
Drive Shaft Guard
No
Drive Shaft Guard
No
Engine Case Guard
Yes
Engine Case Guard
No
Exhaust Guard
Yes
Exhaust Guard
No
Hand Guards
No
Hand Guards
No
Light Guard
No
Light Guard
No
Saddle Bag Guard
No
Saddle Bag Guard
No
Tank Guard
No
Tank Guard
No
Exterior Covers
Standard
Exterior Covers
Standard
Radiator Cover
No
Radiator Cover
-
Front Fender
Standard
Front Fender
Standard
Rear Fender
Standard
Rear Fender
Standard
Stand
Standard
Stand
Standard
Stand Type
Kick
Stand Type
Kick
Skid Plate
Standard
Skid Plate
-
Chassis Protectors
-
Chassis Protectors
Yes
Fork Guards
-
Fork Guards
Yes
Fuel Tank Cover
-
Fuel Tank Cover
No
Steering Control
Handlebar
Steering Control
Handlebar
Front Suspension Type
Telescopic Fork
Front Suspension Type
Inverted Fork
Front Adjustable Fork Pre-Load
No
Front Adjustable Fork Pre-Load
Yes
Front Adjustable Rebound Damping
No
Front Adjustable Rebound Damping
Yes
Front Central Suspension Strut
No
Front Central Suspension Strut
No
Steering Damper
No
Steering Damper
No
Rear Suspension Type
Twin Sided Swing Arm
Rear Suspension Type
Twin Sided Swing Arm
Rear Suspension Material
Steel
Rear Suspension Material
Aluminum
Rear Adjustable Shock / Spring Pre-Load
No
Rear Adjustable Shock / Spring Pre-Load
Yes
Rear Adjustable Rebound Damping
No
Rear Adjustable Rebound Damping
Yes
Number Rear Shock Absorbers
1
Number Rear Shock Absorbers
1
Air Adjustable
No
Air Adjustable
No
Front Suspension Size (in/mm)
0.9 / 22
Front Suspension Size (in/mm)
1.9 / 48
Front Travel (in/mm)
3.8 / 96.5
Front Travel (in/mm)
11.8 / 299.7
Rear Travel (in/mm)
2.8 / 71.1
Rear Travel (in/mm)
12.4 / 315
Front Suspension Brand Name
-
Front Suspension Brand Name
KYB
Rear Suspension Brand Name
-
Rear Suspension Brand Name
KYB
Wheels
Standard
Wheels
Standard
Chromed
No
Chromed
Yes
Tube / Tubeless
Tubed
Tube / Tubeless
Tubed
Tires
Standard
Tires
Standard
Front Wheel Diameter
10
Front Wheel Diameter
21
Rear Wheel Diameter
10
Rear Wheel Diameter
18
Front Wheel Width (in)
2.5
Front Wheel Width (in)
-
Rear Wheel Width (in)
2.5
Rear Wheel Width (in)
-
Front Tire (Full Spec)
2.5 X 10 4PR
Front Tire (Full Spec)
Dunlop® Geomax MX33F 80/100 - 21
Rear Tire (Full Spec)
2.5 X 10 4PR
Rear Tire (Full Spec)
Dunlop® Geomax MX33 110/100 - 18
Wheels Composition
-
Wheels Composition
Aluminum
Tire Brand
-
Tire Brand
Dunlop®
Front Tire Width
-
Front Tire Width
80
Front Tire Aspect Ratio
-
Front Tire Aspect Ratio
100
Rear Tire Width
-
Rear Tire Width
110
Rear Tire Aspect Ratio
-
Rear Tire Aspect Ratio
100
Brakes
Standard
Brakes
Standard
Front Brake Type
Drum
Front Brake Type
Hydraulic Disc
Rear Brake Type
Drum
Rear Brake Type
Hydraulic Disc
Front Brake Diameter (in/mm)
3.2 / 80
Front Brake Diameter (in/mm)
10.6 / 270
Rear Brake Diameter (in/mm)
3.2 / 80
Rear Brake Diameter (in/mm)
9.4 / 240
Seat Type
One-Piece
Seat Type
One-Piece
Seat Location
Driver
Seat Location
Driver
Seat Material
Vinyl
Seat Material
Vinyl
Adjustable
No
Adjustable
No
Folding
No
Folding
No
Seat Specifications
Standard
Seat Specifications
Standard
Number Of Seats
1
Number Of Seats
1
Seat Height (in/mm)
21.9 / 556.3
Seat Height (in/mm)
38.2 / 970.3
Digital Instrumentation
Optional
Digital Instrumentation
-
Tachometer
Optional
Tachometer
-
Lap Timer
Optional
Lap Timer
-
Paint
Standard
Paint
Standard
Metallic
No
Metallic
No
Storage Cover
-
Storage Cover
Optional
Adjustable Handlebars
-
Adjustable Handlebars
Standard
Adjustable Levers
-
Adjustable Levers
Standard
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